Table 3. Outcome Differences Between Intervention vs Standard Nurse Home Visitation Groups at 24 Months, Based on Multilevel Growth Models.
| Intervention (n = 229) |
Standard Program (n = 236) |
Modeled Score Difference, ∆ (95% CI)a | Wald χ2 | P Value | |
|---|---|---|---|---|---|
| Primary Outcomeb | |||||
| WHOQOL-BREF, mean | 311.3 | 316.2 | −4.9 (−16.5 to 6.7) | 0.69 | .41 |
| Secondary Outcomesb | |||||
| IPV (CAS), % | 13.3 | 8.9 | 4.3 (−0.5 to 11.3) | 3.01 | .08 |
| PTSD (SPAN), % | 13.8 | 14.8 | −1.0 (−6.7 to 6.2) | 0.08 | .78 |
| Depression (PHQ-9), % | 10.5 | 11.5 | −1.0 (−5.0 to 5.0) | 0.15 | .70 |
| Alcohol problem (TWEAK), % | 14.5 | 11.8 | 2.7 (−2.3 to 9.7) | 0.92 | .34 |
| Drug problem (DAST), % | 8.7 | 5.5 | 3.2 (−1.4 to 12.1) | 1.46 | .23 |
| Mental health (SF-12), mean | 49.9 | 51.0 | −1.0 (−2.9 to 0.9) | 1.07 | .30 |
| Physical health (SF-12), mean | 52.2 | 52.5 | −0.3 (−1.5 to 0.9) | 0.27 | .60 |
Abbreviations: CAS, Composite Abuse Scale; DAST, Drug Abuse Severity Test; IPV, intimate partner violence; PHD-9, Patient Health Questionnaire 9; PTSD, posttraumatic stress disorder; SF-12, 12-Item Short-Form Health Survey; SPAN, Startle, Physiological Arousal, Anger, and Numbness; TWEAK, Tolerance/Worry About Drinking/Eye-Opener/Amnesia/C[K]ut Down on Drinking; WHOQOL-BREF, World Health Organization Quality of Life–BREF.
a
Modeled between-group score difference with no control variables.
b
See Table 2 footnotes for scale definitions for primary and secondary outcomes.